Olpherts has spent much of his career playing in the lower leagues for Dewsbury Rams, Hemel Stags and Newcastle Thunder.

He joined Salford in 2018 after scoring 31 tries in 41 games for Newcastle and made his Super League debut in March last year against Widnes.

“I’m a West Yorkshire lad and I grew up watching the Tigers and Wakey when I was a child so it’ll be good to get back over this side of the Pennines to play,” Olpherts told the Castleford Tigers website.

“I’m really looking forward to it. I just want to train hard and get a starting position. I think that’s what everybody wants to do going into a new club, I want to earn a place in the team week in, week out and help the team achieve their goals.

“Coming up from League One nobody expects you to play Super League but I’ve taken my opportunities when I’ve had them and I’m happy with where I am at the minute. I just want to keep getting better and better as the years go on and keep proving people wrong.

“I’ve played centre most of my career and full back as well, but wing or centre would be my preferred positions and I can play both left and right edge. I think your back five, with the way the game is going, the team are relying on you a lot to get on the front foot. It’s something I’m good at and I’m not shy at taking those hard carries.

“I’ve still got a job to do at Salford first though, we’re in a good position and everybody is fighting for that top five. That’s where the team wants to be and it’s where I want to be as well.”

Head coach Daryl Powell added: “Derrell has been a standout winger in Super League this season, his ability to break tackles and make the game quick is outstanding.

“I am confident he will continue to improve in our system and be a part of a quality back division over the coming seasons.”